| Acronym | Meaning |
| GRID | Gay-Related Immune Deficiency (original Name Of AIDS) |
| ITAS | Improved Target Acquisition Sight |
| EICS | East India Company's Service |
| A&S | Armament & Standardisation |
| BRI | Bathroom Readers Institute (publishers Of Series Of Uncle John's Bathroom Readers Books) |
| A/C | Air Conditioned/Conditioning - Aircraft |
| NOR | Norway (ISO 3166 Trigram) |
| MSN | Master Of Science In Nursing |
| OGD | Other Government Department |
| NAPDD | Non-Acquisition Program Definition Document (nap-dee-dee) |